kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 9849 Comm: syz-executor016 Not tainted 5.4.0-rc1+ #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:rt6_probe net/ipv6/route.c:657 [inline]
RIP: 0010:find_match net/ipv6/route.c:757 [inline]
RIP: 0010:find_match+0x79c/0xd70 net/ipv6/route.c:733
Code: 80 3c 02 00 0f 85 ae 04 00 00 48 8b 45 c0 48 8b 73 48 48 8d b8 44 02 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 05
RSP: 0018:ffff888084276da8 EFLAGS: 00010207
RAX: dffffc0000000000 RBX: ffff8880843d0da0 RCX: ffffffff8646024a
RDX: 0000000000000048 RSI: 00000000ffffac82 RDI: 0000000000000244
RBP: ffff888084276e08 R08: ffff88809b054400 R09: ffffed1015d06b75
R10: ffffed1015d06b74 R11: ffff8880ae835ba3 R12: ffff88808e6a0c40
R13: ffff888084277008 R14: 000000000000000a R15: 0000000000000000
FS:  00007f39d9fcb700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000040 CR3: 000000009f176000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __find_rr_leaf+0x14e/0x750 net/ipv6/route.c:831
 find_rr_leaf net/ipv6/route.c:852 [inline]
 rt6_select net/ipv6/route.c:896 [inline]
 fib6_table_lookup+0x697/0xdb0 net/ipv6/route.c:2164
 ip6_pol_route+0x1f6/0xaf0 net/ipv6/route.c:2200
 ip6_pol_route_output+0x54/0x70 net/ipv6/route.c:2452
 fib6_rule_lookup+0x133/0x7d0 net/ipv6/fib6_rules.c:113
 ip6_route_output_flags_noref+0x2d6/0x360 net/ipv6/route.c:2484
 ip6_route_output_flags+0x106/0x4d0 net/ipv6/route.c:2497
 ip6_dst_lookup_tail+0x571/0x1ef0 net/ipv6/ip6_output.c:1049
 ip6_dst_lookup_flow+0xa8/0x220 net/ipv6/ip6_output.c:1150
 ip6_sk_dst_lookup_flow net/ipv6/ip6_output.c:1188 [inline]
 ip6_sk_dst_lookup_flow+0x62a/0xb90 net/ipv6/ip6_output.c:1178
 udpv6_sendmsg+0x17b4/0x2990 net/ipv6/udp.c:1446
 inet6_sendmsg+0x9e/0xe0 net/ipv6/af_inet6.c:576
 sock_sendmsg_nosec net/socket.c:637 [inline]
 sock_sendmsg+0xd7/0x130 net/socket.c:657
 ___sys_sendmsg+0x3e2/0x920 net/socket.c:2311
 __sys_sendmmsg+0x1bf/0x4d0 net/socket.c:2413
 __do_sys_sendmmsg net/socket.c:2442 [inline]
 __se_sys_sendmmsg net/socket.c:2439 [inline]
 __x64_sys_sendmmsg+0x9d/0x100 net/socket.c:2439
 do_syscall_64+0xfa/0x760 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x447a19
Code: e8 8c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f39d9fcad98 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00000000006dcc28 RCX: 0000000000447a19
RDX: 00000000000000c6 RSI: 0000000020006d00 RDI: 0000000000000004
RBP: 00000000006dcc20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dcc2c
R13: 300300306d616574 R14: 0000000000000000 R15: 010000306d616574
Modules linked in:
---[ end trace 616adf84fe9b618b ]---
RIP: 0010:rt6_probe net/ipv6/route.c:657 [inline]
RIP: 0010:find_match net/ipv6/route.c:757 [inline]
RIP: 0010:find_match+0x79c/0xd70 net/ipv6/route.c:733
Code: 80 3c 02 00 0f 85 ae 04 00 00 48 8b 45 c0 48 8b 73 48 48 8d b8 44 02 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 05
RSP: 0018:ffff888084276da8 EFLAGS: 00010207
RAX: dffffc0000000000 RBX: ffff8880843d0da0 RCX: ffffffff8646024a
RDX: 0000000000000048 RSI: 00000000ffffac82 RDI: 0000000000000244
RBP: ffff888084276e08 R08: ffff88809b054400 R09: ffffed1015d06b75
R10: ffffed1015d06b74 R11: ffff8880ae835ba3 R12: ffff88808e6a0c40
R13: ffff888084277008 R14: 000000000000000a R15: 0000000000000000
FS:  00007f39d9fcb700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000040 CR3: 000000009f176000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400